Features: Take a look at your body from insides out with saliva and urine Litmus test strips for human. Convenient and easy to use, this test paper box provides accurate results every time. Suitable for a diverse ranges of users including families, laboratory personnel, chemistry enthusiasts, and those concerned about dietary health. Seal your light-blocking bottle and store your Litmus strips for urine and saliva in a dry place. Do not use your strips to test blood, product, or pool water. Meet the needs of various fields such as water quality, food, and cosmetics, providing valuable information on Litmus levels. Specifications: Material:Paper Quantity:100Pcs Size:Approx.43mm/1.69''x107mm/4.21'' Package Includes: 100Pcs Litmus Test Strips note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.